Energy in Shadow Fight 2 is needed to fight. There are a maximum of 5 energy, and the player uses 1 energy to enter any fight (except for Ascension and Raids). The player will gain 1 energy every 10 minutes. The player can gain energy quicker by either watching a video to gain 1 energy or pay 5 Gems to refill all the energy. The player can also purchase for unlimited energy, which comes at a price of $ 19,99.